Math, asked by sdiya8989, 1 year ago

Find the value of k so that x=1,y=-1 is a solution of the linear equation 9kx+12ky=63

Answers

Answered by warokiarajpbtd3a

38

8k(1)+12k(-1)=63
8k-12k=63
-4k = 63
k= - 63/4

warokiarajpbtd3a: mark me brainiest

Answered by nehakulkarni331

63

Answer:

Value of K= 21

Step-by-step explanation:

9kx+12ky=63

value of x=-1 and y=-1

9k(-1)+12k(-1)=63

-9k+(-12k)=63

-9k-12k=63

-3k=63

k=63/3

k=21

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